Home / 145,271.72-217,901.64-40,088

Finding the Fourth Proportional to 145,271.72, 217,901.64 and 40,088

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Solution

The fourth proportional to 145,271.72, 217,901.64 and 40,088 is: 60,130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,271.72 : 217,901.64 = 40,088 : x
  2. Step 2: Convert to fraction form
    145,271.72/217,901.64 = 40,088/x
  3. Step 3: Cross multiply
    145,271.72x = 217,901.64 × 40,088
  4. Step 4: Simplify right side
    145,271.72x = 8,735,240,944.32
  5. Step 5: Solve for x
    x = 8,735,240,944.32/145,271.72
  6. Step 6: Final answer
    x = 60,130.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.